@merridew sounds fair. Potential, easily available.
Someone might chip in at this point, noting the suggested rate, to ask if we can think of anything else to spend G£4 on that might be more useful.
And most of us would point to some sort of crossover, applying some resources to this and some to (those) other things.
And then there are the loonies, quacks, and horrors with their views, but enough of them.

I suspect ...